Senior airman
(美国)空军下士
🧩 词语组成解析
n. 飞行员, 空军士兵
🗣️ 情景例句
When is check-out time?
什么时候必须结帐和离开宾馆？
At night, all cats are grey.
猫在夜晚皆灰色（丑妍暗中难分辨）。
The intellectual, who is working on some abstruse problem, has everything coordinated and organized for the matter in hand.
一个专心钻研某个复杂问题的知识分子，为了搞好手头的研究，要把一切都协调一致，组织周密。